QUESTION 28 1 points Save Answer Suppose you construct a 99% confidence interval OH and 3. What can we conclude? A The population mean is most likely 2. A The population is likely between 1 and 3. 0 All of the above. A None of the above. QUESTION 29 1 points Save Answer What can a researcher do to minimize the likelihood of committing a Type I error? A Increase the power of the sample. A Increase the level of significance. A Decrease the level of signicance. A None of the above. QUESTION 30 1 points Save Answer New drugs sold in the U.S. must first receive approval from the Food and Drug Administration (FDA) by demonstrating that the drug is safe. In effect. the FDA uses the null hypothesis that a drug is not safe, and only rejects the null after sufficient evidence is provided about the drug's safety. In this context, what would a Type II error be? A A Type II error occurs when the FDA does not approve a drug that is, in fact, safe. A A Type II error occurs when the FDA does not approve a drug that is, in fact, unsafe. A A Type II error occurs when the FDA approves a drug that is, in fact, safe. A A Type II error occurs when the FDA approves a drug that is, in fact, unsafe